CN109187538B - Wet-type concrete sprays the rebound of individual particle aggregate and adhesive mechanism test platform - Google Patents
Wet-type concrete sprays the rebound of individual particle aggregate and adhesive mechanism test platform Download PDFInfo
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- CN109187538B CN109187538B CN201810985695.1A CN201810985695A CN109187538B CN 109187538 B CN109187538 B CN 109187538B CN 201810985695 A CN201810985695 A CN 201810985695A CN 109187538 B CN109187538 B CN 109187538B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8405—Application to two-phase or mixed materials, e.g. gas dissolved in liquids
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- Chemical & Material Sciences (AREA)
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Abstract
The present invention proposes that a kind of Wet-type concrete sprays the rebound of individual particle aggregate and adhesive mechanism test platform, belongs to Wet-type concrete jet test technical field.This Wet-type concrete sprays the rebound of individual particle aggregate and adhesive mechanism test platform, air compressor provides high pressure gas for particle spraying device, by spray apparatus, test-bed adjusts eject position, charging gear takes out individual particle aggregate from hopper, particle spraying device sprays individual particle aggregate, received individual particle aggregate by spray apparatus and spray and realize automatic cleaning, high-speed camera carries out particles track to the injection and rebound of individual particle aggregate, and computer is realized to automatically control and be extracted with data.Beneficial effects of the present invention: test operation is simple, the degree of automation is higher, it can conveniently, precisely establish aggregate rebound model, from the thin relevant parameter seen angle and accurately measure the rebuffed rebound (adherency) of concrete individual particle aggregate, the rebound of individual particle aggregate and adhesive mechanism preferably in research Wet-type concrete course of injection.
Description
Technical field
The present invention relates to Wet-type concrete jet test technical fields, spray single more particularly to a kind of Wet-type concrete
The rebound of grain aggregate and adhesive mechanism test platform.
Background technique
Wet-type concrete spraying technique, due to the features such as its ejection efficiency is high, at low cost, high-quality worldwide by
It is widely applied.At the same time, injection rebound and its caused dust problem are the difficulties of long-standing problem Wet-type concrete sprayed construction
Topic not only causes loss of material, operating environment pollution, while concrete spray coating strength reduction.Wet shotcreting material mixture ratio group
Cheng Zhong, aggregate account for about the 3/4 of concrete total volume, and concrete ejection rebound is mainly between aggregate and country rock and particles of aggregates
Collision.So the rebound for studying gunite concrete is exactly the influence for studying aggregate characteristic to rebound of shotcrete,
Subtract bullet dust-settling technology for gunite concrete and theories integration is provided.
Summary of the invention
The purpose of the present invention is to provide a kind of injection individual particle aggregate rebound of Wet-type concrete and adhesive mechanism test are flat
Platform can conveniently, precisely establish aggregate rebound model, for studying individual particle bone in Wet-type concrete course of injection
Material rebound and adhesive mechanism.
The present invention provides a kind of injection individual particle aggregate rebound of Wet-type concrete and adhesive mechanism test platform, wet type coagulation
Soil injection individual particle aggregate rebound and adhesive mechanism test platform include test-bed, particle spraying device, charging gear, are filled by spray
It sets, air compressor, high-speed camera and computer；Test-bed includes horizontal bracket, vertical rack and support rod, level branch
It is disposed with horizontal rail on frame along the longitudinal direction, the lower end of vertical rack is slidably connected horizontal rail, along vertical on vertical rack
Direction is disposed with vertical rail, and support rod is slidably connected vertical rail, and support slipper, support slipper are slidably connected on support rod
On be provided with spill spin block, spill spin block can be swung up and down relative to support slipper；Particle spraying device includes being set on spill spin block
Injector bracket and the first stepper motor being set on injector bracket, gear, charging rack gear, injection pipe and travel switch,
First stepper motor is moved back and forth through cartridge driving gear material rack linear, and the upper surface for the rack gear that charges equidistantly offers multiple material
Slot, the ejection end and hopper of injection pipe are located at the same horizontal position, and travel switch, injector bracket is arranged in the both ends for the rack gear that charges
Both ends setting with travel switch induction electromagnetic coil, travel switch signal connect the first stepper motor control terminal；Feed
Device includes that hopper, second stepper motor, agitating shaft, feed pipe, charging spoon and discharge nozzle, hopper are set to injector bracket
On, second stepper motor, the coaxially connected agitating shaft of the output shaft of second stepper motor, the radial direction of agitating shaft is arranged in the side of hopper
The multiple feed pipes of spaced set, one end setting charging spoon of feed pipe, charging spoon are located at the space in hopper, feed pipe it is another
One end is connected to one end of discharge nozzle, and the other end of discharge nozzle is located at the top of hopper straight reciprocating motion position；By spray apparatus
Including pedestal, by spray frame and by spray plane plate, setting is arranged by spray frame by spray plane plate by spray frame on pedestal；Air pressure
The air hose all the way of the output end of contracting machine connects injection pipe through pipe fitting；High-speed camera is set to the outside of test-bed, high speed
The injection direction and individual particle aggregate of video camera towards individual particle aggregate are ejected into the rebound direction by spray plane plate；Trusted computer
Number connection high-speed camera.
It further, is further included airtight water tank, upright guide rail, water pipe support rod, water pipe and nozzle, air pressure by spray apparatus
The another way air hose of the output end of contracting machine connects airtight water tank, is arranged upright guide rail by the two sides of spray frame, water pipe support rod
Both ends are slidably connected upright guide rail, multiple water pipes are arranged on water pipe support rod, one end of water pipe connects airtight water tank, water by the road
The other end setting nozzle of the pipe and other end of water pipe is towards by spray plane plate.
Further, upright guide rail is vertical rack gear, and the both ends of water pipe support rod are provided with third stepper motor, third
Stepper motor engages vertical rack gear through gear.
Further, Computer signal connects third stepper motor.
Further, the output end of air compressor is separately connected air hose all the way and another way air hose through solenoid directional control valve.
Further, computer is connected separately the first stepper motor and second stepper motor.
Further, the both ends on horizontal bracket in horizontal rail are respectively arranged with the 4th stepper motor, the 4th stepping electricity
The output shaft of machine is connected with line wheel, and cable, the lower end of the end connection vertical rack of cable are wound in line wheel.
Further, Computer signal connects the 4th stepper motor.
Further, the upper end on vertical rack in vertical rail is provided with the 5th stepper motor, the 5th stepper motor
Output shaft is connected with line wheel, and cable, the end connection support bar of cable are wound in line wheel.
Further, Computer signal connects the 5th stepper motor.
Compared with prior art, the rebound of Wet-type concrete of the invention injection individual particle aggregate and adhesive mechanism test platform
It has the characteristics that and advantage:
Wet-type concrete injection individual particle aggregate rebound and adhesive mechanism test platform of the invention, test operation is simple,
The degree of automation is higher, can conveniently, precisely establish aggregate rebound model, and Cong Xiguan angle accurately measures concrete list
Granulated aggregate, which is rebuffed, springs back the relevant parameter of (adherency), preferably individual particle aggregate rebound in research Wet-type concrete course of injection
With adhesive mechanism.
After a specific embodiment of the invention is read in conjunction with the figure, the features and advantages of the invention be will become clearer.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram that Wet-type concrete sprays individual particle aggregate rebound and adhesive mechanism test platform；
Fig. 2 is that Wet-type concrete sprays the rebound of individual particle aggregate and particle spraying device, feed in adhesive mechanism test platform
The main view of device；
Fig. 3 is that Wet-type concrete sprays the rebound of individual particle aggregate and particle spraying device, feed in adhesive mechanism test platform
The side view of device；
Fig. 4 is that Wet-type concrete sprays the rebound of individual particle aggregate and the structure of test-bed in adhesive mechanism test platform is shown
It is intended to；
Fig. 5 is that Wet-type concrete injection individual particle aggregate rebound is shown with adhesive mechanism test platform by the structure of spray apparatus
It is intended to；
Wherein, 101, air compressor, 102, solenoid directional control valve, 103, air hose, 104, pipe fitting, 201, injector branch
Frame, 202, injection pipe, 203, charging rack gear, the 204, first driving gear, 205, travel switch, 206, hopper, 211, hopper,
212, agitating shaft, 213, charging spoon, 214, discharge nozzle, 215, hopper base, 216, feed pipe, 301, horizontal rail, 302, perpendicular
Straight rail, 303, adhesive layer, 304, slide bar, 305, support rod, 306, support slipper, 307, spill spin block, 308, cable, 401, bottom
Seat, 402, by spray frame, 403, upright guide rail, 404, water pipe support rod, 405, nozzle, 406, airtight water tank, 407, water pipe,
408, the second driving gear, 409, by spray plane plate, the 501, first stepper motor, 502, second stepper motor, 503, third stepping
Motor, the 504, the 4th stepper motor, the 505, the 5th stepper motor, 6, high-speed camera, 7, computer.
Specific embodiment
As shown in Figures 1 to 5, the present embodiment provides a kind of injection individual particle aggregate rebound of Wet-type concrete and adhesive mechanisms
Test platform, Wet-type concrete sprays the rebound of individual particle aggregate and adhesive mechanism test platform includes test-bed, particle spraying
Device, charging gear, by spray apparatus, air compressor 101, high-speed camera 6 and computer 7 etc..
Test-bed includes horizontal bracket, vertical rack and support rod 305.The lower surface of horizontal bracket is through adhesive layer 303
It is fixed on ground.Horizontal rail 301 is disposed on horizontal bracket along the longitudinal direction, the lower end of vertical rack is slided through slide bar 304
Connect horizontal rail 301.One the 4th stepper motor 504, the 4th step are respectively set in the both ends of horizontal rail 301 on horizontal bracket
Output shaft into motor 504 is connected with line wheel, and cable 308 is wound in line wheel, and the end of cable 308 connects under vertical rack
End.The cable 308 of the present embodiment is nylon wire.Control of 4th stepper motor 504 at 301 both ends of horizontal rail in computer 7
Under, make line wheel folding and unfolding cable 308, to drive vertical rack to be moved forward and backward along horizontal rail 301 by cable 308.
Vertical rail 302 it has been arranged in a vertical direction on vertical rack, support rod 305 is slidably connected vertical rail 302.It is perpendicular
The upper end of vertical rail 302 is provided with the 5th stepper motor 505, the output axis connection of the 5th stepper motor 505 on straight bracket
There is line wheel, cable 308, the end connection support bar 305 of cable 308 are wound in line wheel.5th stepper motor 505 is in computer
Under 7 control, make line wheel folding and unfolding cable 308, and under the gravity of support rod 305, realizes support rod 305 along vertical rail
302 move up and down.
Support slipper 306 is slidably connected on support rod 305, support slipper 306 can be moved left and right along support rod 305.Branch
It is provided with spill spin block 307 on support sliding block 306, spill spin block 307 can be swung up and down relative to support slipper 306.The branch of the present embodiment
It is provided with U-lag on support sliding block 306, spill spin block 307 is located in U-lag, one end hinged support sliding block 306, U of spill spin block 307
Screw is provided on shape slot, the end of rotary screw is accessible or is detached from spill spin block 307, with the swing angle to spill spin block 307
It is positioned.
Vertical rack is moved forward and backward along horizontal rail 301, and support rod 305 is moved up and down along vertical rail 302, support slipper
306 move left and right along support rod 305, and spill spin block 307 is swung up and down relative to support slipper 306.Injection is set on spill spin block 307
Injection pipe 202 is arranged on injector bracket 201 for device bracket 201.In this way, to adjust the eject position of injection pipe 202 and angle.
Particle spraying device includes the injector bracket 201 being set on spill spin block 307, and is arranged on injector bracket 201
One stepper motor 501, first drives gear 204, charging rack gear 203, injection pipe 202 and travel switch 205.
First stepper motor 501 is through the first driving driving charging 203 straight reciprocating motion of rack gear of gear 204.Charge rack gear
203 upper surface equidistantly offers multiple hoppers 206.For holding individual particle aggregate in hopper 206.The one of injection pipe 202
End provides pressure-air by air compressor 101.The ejection end and hopper 206 of injection pipe 202 are located at the same horizontal position.Injection
The pressure-air that the ejection end of pipe 202 ejects by individual particle aggregate in hopper 206 eject directive by spray apparatus by
Spray plane plate 409.Travel switch 205, the left and right ends setting of injector bracket 201 and stroke is arranged in the both ends of charging rack gear 203
The electromagnetic coil that switch 205 incudes, 205 signal of travel switch connect the control terminal of the first stepper motor 501, the in the present embodiment
The control terminal of one stepper motor 501 is computer 7.When travel switch 205 senses electromagnetic coil, travel switch 205 is to
The control terminal transmitting of one stepper motor 501 reversely rotates signal, is reversely rotated with controlling the first stepper motor 501.
Charging gear includes hopper 211, second stepper motor 502, agitating shaft 212, feed pipe 216, charging spoon 213 and goes out
Expects pipe 214.
Hopper 211 is assembled through hopper base 215 on injector bracket 201, second stepper motor is arranged in the side of hopper 211
502, the coaxially connected agitating shaft 212 of the output shaft of second stepper motor 502.The radial spaced set of agitating shaft 212 it is multiple into
Expects pipe 216, one end setting charging spoon 213 of feed pipe 216.Charging spoon 213 is located at the space in hopper 211, feed pipe 216
The other end is connected to one end of discharge nozzle 214, and the other end of discharge nozzle 214 is located at the upper of 206 straight reciprocating motion position of hopper
Side.Second stepper motor 502 drives agitating shaft 212 to rotate, and charging spoon 213 takes the list in the concrete slurry in hopper 211
Granulated aggregate.203 straight reciprocating motion frequency of rack gear and 212 speed of agitating shaft of charging are in synchronous multiple proportion, and single
Grain aggregate enters feed pipe 216 and falls into hopper 206 from discharge nozzle 214.
By spray apparatus include pedestal 401, by spray frame 402, by spray plane plate 409, airtight water tank 406, upright guide rail 403,
Water pipe support rod 404, water pipe 407 and nozzle 405.Setting is sprayed by spray frame 402 by being arranged on spray frame 402 on pedestal 401
Panel 409.Before the test, first by gunning concrete slurry on spray plane plate 409, the concrete walls that model engineering is spraying
Face, and then determine that in test individual particle aggregate is ejected into rebound and Cohesion Parameters on concrete wall surface.
Arranged that upright guide rail 403, the upright guide rail 403 of the present embodiment are vertical rack gear by the two sides of spray frame 402.Water pipe
The both ends of support rod 404 are slidably connected upright guide rail 403, and the both ends of water pipe support rod 404 are provided with third stepper motor
503, third stepper motor 503 engages vertical rack gear 403 through the second driving gear 408.Third stepper motor 503 drives water pipe branch
Strut 404 is moved back and forth along upright guide rail 403 in vertical direction.Multiple water pipes 407 are arranged on water pipe support rod 404.Water pipe 407
One end (being omitted in figure) connection airtight water tank 406 by the road lower end, the other end of water pipe 407 is towards by spray plane plate 409, water
The other end of pipe 407 is arranged nozzle 405, the jet direction of nozzle 405 be in 30 ° of inclination angles by spray plane plate 409.In primary test knot
Shu Hou, under the driving of third stepper motor 503, water pipe support rod 404 is moved back and forth in vertical direction, and nozzle 405 is to by spray plane
Concrete slurry on plate 409 rinses.
The output end of air compressor 101 is separately connected air hose 103 all the way and another way air hose through solenoid directional control valve 102
103.It is distinguished and admirable through 102 switching control of solenoid directional control valve.The air hose all the way 103 of the output end of air compressor 101 is through pipe fitting 104
Injection pipe 202 is connected, air compressor 101 is that injection pipe 202 provides pressure-air.The output end of air compressor 101 it is another
Air hose 103 connects the upper end of airtight water tank 406 all the way, and the pressure-air that air compressor 101 generates will be in airtight water tank 406
Water is pressed into water pipe 407 by the road.
Computer 7 is connected separately the first stepper motor 501, second stepper motor 502, third stepping through signal cable
Motor 503, the 4th stepper motor 504 and the 5th stepper motor 505, the movement of each stepper motor is controlled by computer 7.
The Wet-type concrete injection individual particle aggregate rebound and adhesive mechanism test platform of the present embodiment, adjust injection pipe
202 eject position and angle takes out individual particle aggregate from hopper 211 and is put into hopper 206, the ejection end injection of injection pipe 202
Individual particle aggregate in hopper 206 is ejected directive by spray apparatus by spray plane plate 409, single aggregate by pressure-air out
It is being sprung back or is being adhered to by spray plane plate 409 by spray plane plate 409.
High-speed camera 6 is set to the outside of test-bed, high-speed camera 6 towards individual particle aggregate injection direction with
And individual particle aggregate is ejected into the rebound direction by spray plane plate 409, high-speed camera to the injection of individual particle aggregate and spring back into
Row particles track.
Computer 7 connects high-speed camera 6 through signal cable signal, to read the particles track data of high-speed camera 6,
The initial velocity V that individual particle aggregate ejects is calculated by particles track data0, from by spray plane plate 409 rebound back speed
The running track of V and individual particle aggregate is spent, to determine individual particle aggregate from the energy loss ejected to rebound back.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (10)
1. a kind of Wet-type concrete injection individual particle aggregate rebound and adhesive mechanism test platform, it is characterised in that: wet type coagulation
Soil injection individual particle aggregate rebound and adhesive mechanism test platform include test-bed, particle spraying device, charging gear, are filled by spray
It sets, air compressor, high-speed camera and computer；Test-bed includes horizontal bracket, vertical rack and support rod, level branch
It is disposed with horizontal rail on frame along the longitudinal direction, the lower end of vertical rack is slidably connected horizontal rail, along vertical on vertical rack
Direction is disposed with vertical rail, and support rod is slidably connected vertical rail, and support slipper, support slipper are slidably connected on support rod
On be provided with spill spin block, spill spin block can be swung up and down relative to support slipper；Particle spraying device includes being set on spill spin block
Injector bracket and the first stepper motor being set on injector bracket, gear, charging rack gear, injection pipe and travel switch,
First stepper motor is moved back and forth through cartridge driving gear material rack linear, and the upper surface for the rack gear that charges equidistantly offers multiple material
Slot, the same horizontal position is located at the center of the ejection end of injection pipe with hopper, and the both ends for the rack gear that charges are arranged travel switch, spray
The electromagnetic coil of the both ends setting and travel switch induction of emitter bracket, travel switch signal connect the control of the first stepper motor
End；Charging gear includes that hopper, second stepper motor, agitating shaft, feed pipe, charging spoon and discharge nozzle, hopper are set to injection
On device bracket, second stepper motor, the coaxially connected agitating shaft of the output shaft of second stepper motor, agitating shaft is arranged in the side of hopper
The multiple feed pipes of radial spaced set, feed pipe one end setting charging spoon, charging spoon be located at the space in hopper, charging
The other end of pipe is connected to one end of discharge nozzle, and the other end of discharge nozzle is located at the top of hopper straight reciprocating motion position；By
Spray apparatus includes pedestal, by spray frame and by spray plane plate, and setting is arranged by spray frame by spray plane plate by spray frame on pedestal；
The air hose all the way of the output end of air compressor connects injection pipe through pipe fitting；High-speed camera is set to the outer of test-bed
Side, the injection direction and individual particle aggregate of high-speed camera towards individual particle aggregate are ejected into the rebound direction by spray plane plate；
Computer signal connects high-speed camera.
2. Wet-type concrete injection individual particle aggregate rebound according to claim 1 and adhesive mechanism test platform, special
Sign is: being further included airtight water tank, upright guide rail, water pipe support rod, water pipe and nozzle, the output of air compressor by spray apparatus
The another way air hose at end connects airtight water tank, is arranged upright guide rail by the two sides of spray frame, the both ends of water pipe support rod, which are slided, to be connected
Upright guide rail is connect, multiple water pipes are arranged on water pipe support rod, one end of water pipe connects airtight water tank, the other end of water pipe by the road
The other end of nozzle and water pipe is set towards by spray plane plate.
3. Wet-type concrete injection individual particle aggregate rebound according to claim 2 and adhesive mechanism test platform, special
Sign is: upright guide rail is vertical rack gear, and the both ends of water pipe support rod are provided with third stepper motor, third stepper motor warp
Gear engages vertical rack gear.
4. Wet-type concrete injection individual particle aggregate rebound according to claim 3 and adhesive mechanism test platform, special
Sign is: Computer signal connects third stepper motor.
5. Wet-type concrete injection individual particle aggregate rebound according to claim 2 and adhesive mechanism test platform, special
Sign is: the output end of air compressor is separately connected air hose all the way and another way air hose through solenoid directional control valve.
6. Wet-type concrete injection individual particle aggregate rebound according to claim 1 and adhesive mechanism test platform, special
Sign is: computer is connected separately the first stepper motor and second stepper motor.
7. Wet-type concrete injection individual particle aggregate rebound according to claim 1 and adhesive mechanism test platform, special
Sign is: the both ends on horizontal bracket in horizontal rail are respectively arranged with the 4th stepper motor, the output shaft of the 4th stepper motor
It is connected with line wheel, cable, the lower end of the end connection vertical rack of cable are wound in line wheel.
8. Wet-type concrete injection individual particle aggregate rebound according to claim 7 and adhesive mechanism test platform, special
Sign is: Computer signal connects the 4th stepper motor.
9. Wet-type concrete injection individual particle aggregate rebound according to claim 1 and adhesive mechanism test platform, special
Sign is: the upper end on vertical rack in vertical rail is provided with the 5th stepper motor, the output axis connection of the 5th stepper motor
There is line wheel, cable, the end connection support bar of cable are wound in line wheel.
10. Wet-type concrete injection individual particle aggregate rebound according to claim 9 and adhesive mechanism test platform, special
Sign is: Computer signal connects the 5th stepper motor.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985695.1A CN109187538B (en) | 2018-08-28 | 2018-08-28 | Wet-type concrete sprays the rebound of individual particle aggregate and adhesive mechanism test platform |
| PCT/CN2018/120206 WO2020042423A1 (en) | 2018-08-28 | 2018-12-11 | Wet concrete spraying single-particle aggregate rebound and adhesion mechanism testing platform |
| ZA2021/01259A ZA202101259B (en) | 2018-08-28 | 2021-02-24 | Wet concrete spraying single-particle aggregate rebound and adhesion mechanism testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985695.1A CN109187538B (en) | 2018-08-28 | 2018-08-28 | Wet-type concrete sprays the rebound of individual particle aggregate and adhesive mechanism test platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109187538A CN109187538A (en) | 2019-01-11 |
| CN109187538B true CN109187538B (en) | 2019-06-28 |
Family
ID=64916269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810985695.1A Active CN109187538B (en) | 2018-08-28 | 2018-08-28 | Wet-type concrete sprays the rebound of individual particle aggregate and adhesive mechanism test platform |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109187538B (en) |
| WO (1) | WO2020042423A1 (en) |
| ZA (1) | ZA202101259B (en) |
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| CN102828757A (en) * | 2012-08-30 | 2012-12-19 | 三一重工股份有限公司 | Pre-agitating system and wet spraying machine |
| CN202882941U (en) * | 2012-06-27 | 2013-04-17 | 丁钟宇 | Mining concrete stirring jet machine |
| CN203189037U (en) * | 2013-05-03 | 2013-09-11 | 辛世行 | Environment-friendly concrete wet spraying machine |
| CN106638558A (en) * | 2016-11-18 | 2017-05-10 | 华北水利水电大学 | High-pressure jet grouting device for civil engineering |
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| CN2197411Y (en) * | 1994-04-15 | 1995-05-17 | 王朝利 | Wet concrete jetting machine with multi-jets |
| JP2004100403A (en) * | 2002-09-13 | 2004-04-02 | Daiwa Kogyo Kk | Spray method and device for permeable concrete |
| JP2011094812A (en) * | 2009-10-27 | 2011-05-12 | Shinagawa Refractories Co Ltd | Plastic refractory spraying device and construction method |
| CN101693238B (en) * | 2009-10-29 | 2012-06-27 | 沙健 | Screening device for a plurality of single grade size of rock material and screening method thereof |
| FR3038331B1 (en) * | 2015-06-30 | 2019-05-17 | Eurl Baumer Damien | SYSTEM AND METHOD FOR PROJECTING LIGHT CONCRETE INSULATION |
| CN205132113U (en) * | 2015-11-27 | 2016-04-06 | 广东工业大学 | Taste comfit box |
| CN205315013U (en) * | 2016-01-05 | 2016-06-15 | 山东科技大学 | Concrete wet blasting machine sprays support |
| CN105890888A (en) * | 2016-04-14 | 2016-08-24 | 山东科技大学 | Concrete wet spraying machine spraying nozzle jet flow structure testing platform |
| CN206490991U (en) * | 2016-08-30 | 2017-09-15 | 王俊义 | Maize fine sowing device |
| CN206577721U (en) * | 2017-03-23 | 2017-10-24 | 巩义市光明化工有限公司 | A kind of proppant produces automatic batching system |
| CN108031521B (en) * | 2017-11-29 | 2019-04-02 | 重庆成维轻质墙板有限公司 | Haydite feed device |
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2018
- 2018-08-28 CN CN201810985695.1A patent/CN109187538B/en active Active
- 2018-12-11 WO PCT/CN2018/120206 patent/WO2020042423A1/en active Application Filing
-
2021
- 2021-02-24 ZA ZA2021/01259A patent/ZA202101259B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200978675Y (en) * | 2006-10-08 | 2007-11-21 | 郑州知信机电科技开发有限公司 | Concrete wet-spurting apparatus for well laneway |
| CN202882941U (en) * | 2012-06-27 | 2013-04-17 | 丁钟宇 | Mining concrete stirring jet machine |
| CN102828757A (en) * | 2012-08-30 | 2012-12-19 | 三一重工股份有限公司 | Pre-agitating system and wet spraying machine |
| CN203189037U (en) * | 2013-05-03 | 2013-09-11 | 辛世行 | Environment-friendly concrete wet spraying machine |
| CN106638558A (en) * | 2016-11-18 | 2017-05-10 | 华北水利水电大学 | High-pressure jet grouting device for civil engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020042423A1 (en) | 2020-03-05 |
| CN109187538A (en) | 2019-01-11 |
| ZA202101259B (en) | 2021-03-31 |
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